Yeah. He mentions implementing Common Lisp for Lisp machines in [1], but unfortunately doesn't go into any real detail. My guess is that it was part of the work

Yeah. He mentions implementing Common Lisp for Lisp machines in [1], but unfortunately doesn't go into any real detail. My guess is that it was part of the work he did to help LMI during the Lisp Machine wars. [1] http://www.gnu.org/gnu/rms-lisp.html http://www.gnu.org/gnu/rms-lisp.html